This Texas Instruments TI-30X IIS Scientific Calculator is a powerful tool for any mathematician or scientist. With its regular key size and handheld size, it is perfect for on-the-go calculations. The calculator features an LCD display, making it easy to see the calculations as they are made.

The power source can be either solar or battery, providing flexibility in use. This calculator is made by the well-known brand Texas Instruments and is a model TI-30XIIS. It falls under the category of Business & Industrial, Office, Office Equipment, and Calculators. Get your hands on this reliable and efficient scientific calculator today!